Brown luggage 

A term describing one's anal cavity as a means of storage and/or smuggling.

Bro: Man, I need a smoke hookup after this flight.

Bro 2: You didn't pack weed in the brown luggage?

Brown luggage by Tenth Doctor January 18, 2015

Brown Luggage 

Walking around with a load of turds in your pants.

"I just saw Kenny at the mall and he was carrying brown luggage."

Brown Luggage by LeroyJackson November 27, 2012